55033884 has 24 divisors (see below), whose sum is σ = 142680720. Its totient is φ = 18344592.

The previous prime is 55033877. The next prime is 55033889. The reversal of 55033884 is 48833055.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254679 + ... + 254894.

It is an arithmetic number, because the mean of its divisors is an integer number (5945030).

Almost surely, 2^55033884 is an apocalyptic number.

55033884 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55033884 is an abundant number, since it is smaller than the sum of its proper divisors (87646836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55033884 is a wasteful number, since it uses less digits than its factorization.

55033884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509586 (or 509578 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 55033884 is about 7418.4825941698. The cubic root of 55033884 is about 380.3733265537.

The spelling of 55033884 in words is "fifty-five million, thirty-three thousand, eight hundred eighty-four".